$base-font-size: 133.33333px !default;

$base-font-color:#00B6FF;
@function px-to-rem($px-value) {
    @if unitless($px-value) {
        @warn "Assuming #{$px-value} to be in pixels, but no unit was specified.";
        @return $px-value / $base-font-size * 1rem;
    } @else if unit($px-value) == 'px' {
        @return $px-value / $base-font-size * 1rem;
    } @else {
        @warn "Unsupported unit: #{unit($px-value)}";
        @return $px-value;
    }
}

.inset-shadow{
    box-shadow: inset 0 0 50px 2px rgba(7, 112, 176, 0.5);
}